16 IN 1 WATER TEST STRIPS: Test Strips can measure16 parameter- total hardness, free Chlorine, Iron, Copper, Lead, Nitrate, Nitrite, Sodium Chloride, Total Chloride, Fluoride, Cyanuric Acid, Ammonia Chloride, Hydrogen Sulfide, Total Alkanlinity, Carbonate, pH CONVENIENT WATER TEST KIT: The water testing kits contain 100 Strips that means you can test drinking water for 100 times at home for anytime. The economical and convenient water testing kit for home and school projects. Application : The water test strips for testing drinking water, home faucets, well water, tap water, pool, hot tub spa and aquarium and more water quality testing. EASY WATER TEST KIT: ONLY 3 Steps to get accurate results.Frist, Dip one strip into water for 2seconds; Second, remove the test strip and hold it horizontally for 60seconds; Third, comparing strip to color chart for the reference. You can test drinking water by yourself at home for a low cost at fast way. EXCELLENT CUSTOMER SERVICE: Customer's satisfaction is our final goal. If there are any problems, please contact us, Our Team will try our best to help you. Attention: To all our customers, this product belongs to store of MoS-EU. Please choose the right store before order.